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/*
usbmuxd - iPhone/iPod Touch USB multiplex server daemon
Copyright (C) 2009 Hector Martin "marcan" <hector@marcansoft.com>
Copyright (C) 2009 Nikias Bassen <nikias@gmx.li>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 or version 3.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <time.h>
#include <sys/time.h>
#include <syslog.h>
#include "log.h"
unsigned int log_level = LL_WARNING;
int log_syslog = 0;
void log_enable_syslog()
{
if (!log_syslog) {
openlog("usbmuxd", LOG_PID, 0);
log_syslog = 1;
}
}
void log_disable_syslog()
{
if (log_syslog) {
closelog();
}
}
static int level_to_syslog_level(int level)
{
int result = level + LOG_CRIT;
if (result > LOG_DEBUG) {
result = LOG_DEBUG;
}
return result;
}
static void usbmuxd_vlog_raw(enum loglevel level, const char *fmt, va_list ap)
{
if (log_syslog) {
vsyslog(level_to_syslog_level(level), fmt, ap);
} else {
vfprintf(stderr, fmt, ap);
}
}
static void usbmuxd_log_raw(enum loglevel level, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
usbmuxd_vlog_raw(level, fmt, ap);
va_end(ap);
}
void usbmuxd_log(enum loglevel level, const char *fmt, ...)
{
va_list ap;
char *fs;
struct timeval ts;
struct tm *tp;
if(level > log_level)
return;
gettimeofday(&ts, NULL);
tp = localtime(&ts.tv_sec);
fs = malloc(20 + strlen(fmt));
if(log_syslog) {
sprintf(fs, "[%d] %s\n", level, fmt);
} else {
strftime(fs, 10, "[%H:%M:%S", tp);
sprintf(fs+9, ".%03d][%d] %s\n", (int)(ts.tv_usec / 1000), level, fmt);
}
va_start(ap, fmt);
usbmuxd_vlog_raw(level, fs, ap);
va_end(ap);
free(fs);
}
void usbmuxd_log_buffer(enum loglevel level, const unsigned char *data, const size_t length)
{
if(level > log_level)
return;
size_t i;
int j;
unsigned char c;
for (i = 0; i < length; i += 16) {
usbmuxd_log_raw(level, "%04x: ", i);
for (j = 0; j < 16; j++) {
if (i + j >= length) {
usbmuxd_log_raw(level, " ");
continue;
}
usbmuxd_log_raw(level, "%02x ", *(data + i + j) & 0xff);
}
usbmuxd_log_raw(level, " | ");
for (j = 0; j < 16; j++) {
if (i + j >= length)
break;
c = *(data + i + j);
if ((c < 32) || (c > 127)) {
usbmuxd_log_raw(level, ".");
continue;
}
usbmuxd_log_raw(level, "%c", c);
}
usbmuxd_log_raw(level, "\n");
}
}
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